Tutorial 2

Tutorial 2 - 3. The data below were collected for this...

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Tutorial 2 1. Consider the reaction : 2 N 2 O (g) 2 N 2(g) + O 2(g) a. Express the rate of the reaction in term of the change in concentration of each of the reactants and products. b. In the first 15.0 s of the reaction, 0.015 mol of O 2 is produced in reaction vessel with a volume of 0.500 L. What is the average rate of reaction over this time interval? c. Predict the rate change in the concentration of N 2 O over this time interval. In other words, what is /? 2. Consider the reaction : C 4 H 8(g) → 2 C 2 H 4(g) The following data were collected for the concentration of C 4 H 8 as a function time: Time (s) [C 4 H 8 ] (M) 0 1.000 10 0.913 20 0.835 30 0.763 40 0.697 50 0.637 a. What is the average rate of reaction between 0 and 10 s? Between 40 and 50 s? b. What is the rate of formation of C 2 H 4 between 20 and 30 s?
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Unformatted text preview: 3. The data below were collected for this reaction: CH 3 Cl(g) + 3 Cl 2 CCl 4 (g) + 3 HCl (g) [CH 3 Cl] (M) Cl 2 (M) Initial Rate (M/s) 0.050 0.050 0.014 0.100 0.050 0.029 0.100 0.100 0.041 0.200 0.200 0.115 a. Write the expression for the reaction rate law and calculate the value of the rate constant, k. b. What is the overall order of the reaction? 4. Given the below initial rate data, determine the rate law and rate constant for the following reaction: 2MnO 4 + 5ClO 3 + 6H + 2Mn 2+ + 5ClO 4 + 3H 2 O Exp. No. [MnO 4 ] [ClO 3 ] [H + ] Initial Rate (M/s) 1 0.10 M 0.10 M 0.10 M 5.2 x 10-3 2 0.25 M 0.10 M 0.10 M 3.3 x 10-2 3 0.10 M 0.30 M 0.10 M 1.6 x 10-2 4 0.10 M 0.10 M 0.20 M 7.4 x 10-3...
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Tutorial 2 - 3. The data below were collected for this...

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